Samsung Galaxy S9 / S9+ - Delete Email Messages
-
From a Home screen, swipe up or down from the center of the display to access the apps screen.
These instructions only apply to modo estándar and the default Home screen layout. -
Tap Email
. -
From the appropriate inbox, tap the More icon
then tap Edit (upper-right).
To switch email accounts, tap the Menu icon 
(upper-left) then tap the appropriate email address. -
Select (check) the desired message(s).
Message is marked for deletion when the icon changes to a check mark.
To mark all messages for deletion, tap All (upper-left). - Tap Delete (bottom-right).
- To confirm, tap Delete.